Below you are given a partial computer output from a multiple regression analysi

Question

Below you are given a partial computer output from a multiple regression analysis based on a sample of 16 observations.

Coefficients

Standard Error

12.924

4.425

-3.682

2.630

45.216

12.560

Degrees of
Freedom

Sum of
Squares

Mean
Square

F

4853

2426.5

485.3

?

The t value obtained from the table which is used to test an individual parameter at the 1% level is

2.921.

2.977.

3.012.

2.650.

Coefficients

Standard Error

Constant

12.924

4.425

x1

-3.682

2.630

x2

45.216

12.560

Analysis of Variance Source of
Variation

Degrees of
Freedom

Sum of
Squares

Mean
Square

F

Regression

4853

2426.5

Error

485.3

Explanation / Answer

here degree of freedom for above test =(n-p-1) where p is number of independent variables

hence degree of freedom =16-2-1=13

for 1 % level and 13 degree of freedom crtiical value of t=3.012

option C is correct

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